99.36: What happens to the inertia of an object when its velocity is doubled lqs yfg3kr*5w6 ru2rsu+ 5ip* (e;yft?

  02.14: An intrinsic property of matter is one that does not dej9 m m;1vwzt5ob5rk8s 5ojeb- pend on the quantity of matter present. Which of the following properties bk;szboj5em w5ojv m9t1 58r-is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on thex w aapj,a3qmc16f7y/ayg(+ f surface of the Earth. Assume the Earth has mass jf apway/3xa+am(fy1,7 6cqg $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall near t)oltpjvx,) ju3q y:)uhe surface of the Earth. What is the magnitude :,joy)x3lp tu) qv u)jof the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase whih 3w*fy5d .llcle its acceleration decreas5cy3ld*. h wlfes?

  00.11: A certain particle undergoes erratic motion. At every point in its 9z7 nu2nvu o5,eg xj.scja--z motion, the direction of the particle’s momentum ize zxn-a ,cgvn7uu j.js5 -o92s ALWAYS

  17.14: A block is suspended in the air )ddf 4sc b1;wu36uje;dh sq(yat the end of a string held by a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the bloj) bw4ddque;f(chs y;d us361ck?

  07.18: In which one of the follo pawl +x1h;aslt ve2*)l p3ejb3 z;d(rwing situations is the net force constantly zero onazht+;;wjr)(1lll da *ep3p2bexvs3 the object?

  13.28: An object is ig8lwx+8m3. hh zg8eb fn free fall close to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the accelerat 8+ gfe.hg 8hxz83wblmion of the object as it is being stopped by the person? The magnitude of the object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 of 30 N, F2 of gfmd,b e/z52 psq;)ym 50 N, and F3 of 70 N, acting on it. The magnitude of the reyf)zmsm5ed2 g ;/b, pqsultant ofF1 and F2 is

  01.07: A force of 6 Newtons and1kp s )(bg+tdt qyqdwhwqwv6 (4f7 l*1rtn:r8 a force of 10 newtons can be combine to form a resultant with a magnitudv1:+t)d*(nhdwwtq1( pf8 rtk 7b4lq6gr swyqe of which of the following

  10.06: Which of the following statements is most closely associated wizn*qggie jw(7hy8; 0nu2 d3avth Newton’dn*z0 ne2q (g8uy7 w;jaghv3is Third Law of Motion?

  95.06: The reaction force does not cancel tf;zn,zf +ep7fp fw9lq;e:dn,t .r - ylhe action force because:

  14.14: A box rests ot o7c e ;5nxh+.ytiknzjz/ f6mm0i9w -n the floor of an elevator. The elevator is accelerating upward. Which one of the following choik z -+9ft jy7zmo5in;6icxetwh0.n m/ces best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant speed. Whicjubiwp aim g3.8pq(10(bv ap l 7c bb)y(t,,xmh one of the following choices correctly describes the Newton’.8m(( bm (ppgvxcbwi)j,307u lp 1ai tqbby,as Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speityab xo+s)i-/u g 93m;g;cmvc-c3 hsed of 35 m/s. The batterswings and hits the ball. The magnituh i-y 3oav scs)t+;/bm;-xmuggic9 3 cde of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest o)+c 2ayvuk rk+n a table. On top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law pair force to the force that the table u ayck)+rv2+kexerts on the book?

  05.06: The students in a Physic me (g5a)gxl5os I class were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusg5 go5)maelx (ions can the students make?

  99.03: If the net force on an object 1d arqvlg806xl:p 0 xqwere doubled while at the same time the mass of the object was halved,then the ad 0lgqx a1ql8v6rx0 p:cceleration of the object is

  96.15: A car whose mass is 1500 kg is acc f(d+ .v vuv(jcvtjq2)elerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of thv(jdu +cvt (fj)2 vqv.e net force accelerating the car is:

  99.05: A tractor-trailer fhr)/ njijc/opb3 f8 ;truck is traveling down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the h njf)c pi/b/;3 8jrofforce that the trailer applies on the tractor is

  99.16: Which of the followis8x 4vjurw o0n0 dikwgj9(*;f ng principles best explains why large tractor-trailer trucks ge vr0u( oj0wj4k gdsx9nfiw8 ;*nerally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a friction5n;p3:l8 ts d ;)ht3fbooiybm)rew qio/(4pxless rink throws a 2 kilogram ball,i;temqow: 43s)nd358p;(ox fbib plrty/ )h o giving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of thei:i)p* j. 3c rtb+zatu earth with a weight of 100 newtons is accel: c3pj. b t+rztua)i*ierated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is a0 mo3b/6vi8a7iqs c+.zzgib xccelerated from rest by a constant force of 2400 N. What is the speed of the car b 37bmzoiz/xic.g 0+ avi6 q8s8.0 s after beginning?

  98.32: A 3.0-kg block wif) y4 j ieoy 6c)2wvcbq9k;j5kth initial speed 4.0 m/s slides across a rough horizontal flooj ew)c ;b4f5 2k jcyvkqi9yo6)r before coming to rest. The frictional force acting on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initial velocity 4.0 m/s sryub0a2qvz*dcnjde , ,b )7 c0lides 8.0 m across a rough horizontal floor before coming to rest. The coeajy02n u 0bb,7v*qcdrd ,zce )fficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a persou. zxdqu+u6x+ cw4m h2n pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction betweed++qx.z6xu2 u4wmh cun the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially moving at 8 m/s accelerates uniformv7tm7 pp2x 8 u ;tjyxt+drdb;-ly to rest on a horizontal surface. The block travels2 m7dypj rxbuxtv p-d7;;8+tt a distance of 12.0 m during the slide. Which one of the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ice at a speed v with it -so xskr5bj:q8g4*rewr0 e *o tz+iv6s brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tig45rk: rs*8 o-vjixr 0+6we*oqzb ets res and the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides across a patcadekj: d02p/qg4 icg k39g z;xh of ice at a speed v with its brakes locked. It then hits dry pavement and s0 d/ k g9gp q;3ik4:cezdgxa2jkids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by slamming on the c 2jmhk,l5 x1rxar's brakes and skidding1xx5,2lkr h jm to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control e+m9y-9u id:*gru nd2i wksh 2iach of the following devices. Which of these devices can cause an acceleration in a moving car? 9uu2i9iiry+kgh -* m2s w: ndd
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight ofi+xjs3v /xx3 + dmyr8z 15000 newtons is 24000 newtons. About how much time is needed to +j+sdx3/zrmxvy x 8 3iincrease the rocket ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floor. A person called Te t0mx:j(s 3tdcqoh+(md exerts a force T qxthcs(md :0+m t3(ojto the right on the box. A person called Mario exerts a force M to the left, which is half as large as the force T. Given that there is friction f and the box accelerates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram be q dbi7 m2 qvpgyv0+0she6ek -zkz+h*(low shows three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the trackhq+ sq 0 2iev 6v0p z*dh+y7(kekz-mgbs to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three roller coaster tracks of equal length. bek,.i;f o2 rlh(jxevo ( .3bfjr0nhqd0c2;h Assume that on all tracks the roller co3f ..nx fq 0ic;elr2eobj ro(h ,dk(2h0vj;bhaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlessly along the curved tgfc4lqh1 4x3yez: bf; rack from point A to point C under the influence of gravity. Wx 13ylh;cbf4g:4e zf qhat would be the direction of the cart's acceleration at point

  02.40: A box with a masuvhs8od a ;/o i(n38pzs of 50 kg is dragged across the floor by a rope which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient of kinetic friction between the box and the floor if a 250 newton force onsun (h/dovopa8i8 ;z3 the rope is required to move the crate at a constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wall by a 100 N ,so9-wa::6p( pm(sw5seuxhde nqvr3 force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient ofqrx:5,v9 sue6( 3md:nshpe (swwpa- o static friction is 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizontal patch of grass with a+ zhua)h r9gsmso,8m 1 constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force 1) h,mu 9 arsgm8hz+somagnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a ta, b-enowgg )rck3z81oble. Neither is moving. Which of the following statements concerning this situation is CORRECT? r-ng wo zkbo)3c81 g,e

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled up a *e(vpl0y-dd g2r9 dv nhd p*ved l(yng-vdr0 29ill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?